How many movies have Iwao Saitô and Masahito Segawa collaborated on?

They have worked on 3 movies together! Their first movie together was Onsen Geisha: Yubune de Ippatsu (1982) while their highest rated movie together was Nurse Girl Dorm: Sticky Fingers (1985). They have not worked together since Saejima Nao: Akume kinenbi (1988). They are most known for their drama films together.